<template>
		<div class="wscn-http404-container">
				<div class="wscn-http404">
						<div class="pic-404">
								<img class="pic-404__parent" src="@/assets/404_images/404.png" alt="404">
								<img class="pic-404__child left" src="@/assets/404_images/404_cloud.png" alt="404">
								<img class="pic-404__child mid" src="@/assets/404_images/404_cloud.png" alt="404">
								<img class="pic-404__child right" src="@/assets/404_images/404_cloud.png" alt="404">
						</div>
						<div class="bullshit">
								<div class="bullshit__oops">
										404错误!
								</div>
								<div class="bullshit__headline">
										{{ message }}
								</div>
								<div class="bullshit__info">
										对不起，您正在寻找的页面不存在。尝试检查URL的错误，然后按浏览器上的刷新按钮或尝试在我们的应用程序中找到其他内容。
								</div>
								<router-link to="/home" class="bullshit__return-home">
										返回首页
								</router-link>
						</div>
				</div>
		</div>
</template>

<script>

export default {
		name: 'Page404',
		computed: {
				message() {
						return '找不到网页！'
				}
		}
}
</script>

<style lang="less" scoped>
.wscn-http404-container {
		transform: translate(-50%, -50%);
		position: absolute;
		top: 40%;
		left: 50%;
}

.wscn-http404 {
		position: relative;
		width: 1200px;
		padding: 0 50px;
		overflow: hidden;

		.pic-404 {
				position: relative;
				float: left;
				width: 600px;
				overflow: hidden;

				&__parent {
						width: 100%;
				}

				&__child {
						position: absolute;

						&.left {
								width: 80px;
								top: 17px;
								left: 220px;
								opacity: 0;
								animation-name: cloudLeft;
								animation-duration: 2s;
								animation-timing-function: linear;
								animation-fill-mode: forwards;
								animation-delay: 1s;
						}

						&.mid {
								width: 46px;
								top: 10px;
								left: 420px;
								opacity: 0;
								animation-name: cloudMid;
								animation-duration: 2s;
								animation-timing-function: linear;
								animation-fill-mode: forwards;
								animation-delay: 1.2s;
						}

						&.right {
								width: 62px;
								top: 100px;
								left: 500px;
								opacity: 0;
								animation-name: cloudRight;
								animation-duration: 2s;
								animation-timing-function: linear;
								animation-fill-mode: forwards;
								animation-delay: 1s;
						}

						@keyframes cloudLeft {
								0% {
										top: 17px;
										left: 220px;
										opacity: 0;
								}
								20% {
										top: 33px;
										left: 188px;
										opacity: 1;
								}
								80% {
										top: 81px;
										left: 92px;
										opacity: 1;
								}
								100% {
										top: 97px;
										left: 60px;
										opacity: 0;
								}
						}
						@keyframes cloudMid {
								0% {
										top: 10px;
										left: 420px;
										opacity: 0;
								}
								20% {
										top: 40px;
										left: 360px;
										opacity: 1;
								}
								70% {
										top: 130px;
										left: 180px;
										opacity: 1;
								}
								100% {
										top: 160px;
										left: 120px;
										opacity: 0;
								}
						}
						@keyframes cloudRight {
								0% {
										top: 100px;
										left: 500px;
										opacity: 0;
								}
								20% {
										top: 120px;
										left: 460px;
										opacity: 1;
								}
								80% {
										top: 180px;
										left: 340px;
										opacity: 1;
								}
								100% {
										top: 200px;
										left: 300px;
										opacity: 0;
								}
						}
				}
		}

		.bullshit {
				position: relative;
				float: left;
				width: 300px;
				padding: 30px 0;
				overflow: hidden;

				&__oops {
						font-size: 32px;
						font-weight: bold;
						line-height: 40px;
						color: #1482f0;
						opacity: 0;
						margin-bottom: 20px;
						animation-name: slideUp;
						animation-duration: 0.5s;
						animation-fill-mode: forwards;
				}

				&__headline {
						font-size: 20px;
						line-height: 24px;
						color: #222;
						font-weight: bold;
						opacity: 0;
						margin-bottom: 10px;
						animation-name: slideUp;
						animation-duration: 0.5s;
						animation-delay: 0.1s;
						animation-fill-mode: forwards;
				}

				&__info {
						font-size: 13px;
						line-height: 21px;
						color: grey;
						opacity: 0;
						margin-bottom: 30px;
						animation-name: slideUp;
						animation-duration: 0.5s;
						animation-delay: 0.2s;
						animation-fill-mode: forwards;
				}

				&__return-home {
						display: block;
						float: left;
						width: 110px;
						height: 36px;
						background: #1482f0;
						border-radius: 100px;
						text-align: center;
						color: #ffffff;
						opacity: 0;
						font-size: 14px;
						line-height: 36px;
						cursor: pointer;
						animation-name: slideUp;
						animation-duration: 0.5s;
						animation-delay: 0.3s;
						animation-fill-mode: forwards;
				}

				@keyframes slideUp {
						0% {
								transform: translateY(60px);
								opacity: 0;
						}
						100% {
								transform: translateY(0);
								opacity: 1;
						}
				}
		}
}
</style>
